UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N5HM0oU8JKmg5BiEoQVj2yqA7p0SbwEtXN3TW82CUtU=' 
WHERE 
  key_id = 'e6c577c88c105e1f29a03d2f150d593ba00d851e140d822f91d1d977fe8cb077' 
  AND (
    token = 'N5HM0oU8JKmg5BiEoQVj2yqA7p0SbwEtXN3TW82CUtU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )